ARIB STD-B21
Version 5.12-E1
-1-
Chapter 1: General matters
1.1 Objective
Standard is to define the basic functions, ratings, and performance of receivers for digital
broadcasting by transmission method of wideband satellite digital broadcasting and digital
terrestrial broadcasting.
1.2 Scope
This standard applies to: Receivers for digital broadcasting among various types of standard
television broadcasting, high-definition television broadcasting, ultra-high-frequency-wave
broadcasting, and data broadcasting, carried out by satellite basic broadcasting stations that use
radio waves in frequencies over 11.7 GHz and equal to or below 12.2 GHz by wideband
transmission method (hereinafter referred to as “BS digital broadcasting”); receivers for digital
broadcasting among various types of standard television broadcasting by wideband transmission
method, high-definition television broadcasting, ultra-high-frequency-wave broadcasting, and data
broadcasting, with a bandwidth of 34.5 MHz carried out by satellite basic broadcasting stations
that use radio waves in frequencies over 12.2 GHz and equal to or below 12.75 GHz (hereinafter
referred to as “broadband CS digital broadcasting”); and receivers for digital broadcasting and
high-definition television broadcasting among various types of standard television broadcasting
carried out by terrestrial basic broadcasting stations (hereinafter referred to as “digital terrestrial
television broadcasting”).
With regard to the receiver, it may be designed for receiving only one broadcast service from
among the above-mentioned digital broadcasting or for receiving multiple broadcast services.
Likewise, various types of receivers for receiving digital terrestrial television broadcasts may be
designed, that is, receivers intended for fixed stations, for a mobile stations, and for portable
reception.
This ARIB standard defines the BS digital-broadcasting receiver, the double-purpose receiver for
BS digital broadcasting and the broadband CS digital-broadcasting receiver (hereinafter referred
to as a “BS and broadband CS digital-broadcasting dual-purpose receiver”), as well as the standard
receiver that receives digital terrestrial television broadcasting using an outdoor fixed receiving
antenna and represents it on a large display. For a small-sized simple receiver, a vehicle-
mounted receiver, a portable receiver, and the like, this ARIB standard must be applied
correspondingly or referred to.
In this standard, the BS digital-broadcasting receiver and the BS and broadband CS digital-
broadcasting dual-purpose receiver are generically described as digital satellite broadcasting
receivers.
In addition, when it is necessary to distinguish between the BS digital-broadcasting receiver and
the BS and broadband CS digital-broadcasting dual-purpose receiver, [BS] is additionally used to
specify a BS digital-broadcasting receiver, and [BS • CS] is used likewise to specify a BS and
broadband CS digital-broadcasting dual-purpose receiver.
1.3 References
1.3.1 Normative References
(1) ARIB STD-B10, “Service Information for Digital Broadcasting System”
(2) ARIB STD-B20, “Transmission System for Digital Satellite Broadcasting”
(3) ARIB STD-B24, “Data Coding and Transmission Specification for Digital Broadcasting”